模态UIViewController总是在iPad上全屏显示.为什么? [英] Modal UIViewController always coming out full screen on iPad. WHY?
问题描述
我试图在iPad上以小(UIModalPresentationFormSheet)或大(UIModalPresentationPageSheet)设置创建一个简单的模态对话框，但是无论我做什么，它们都会全屏显示(带有标题栏)./p>
模态UIViewController是在界面构建器中创建的，我似乎无法为其指定大小.为UIViewController中包含的UIView指定较小的尺寸无效.
我做错了什么?有什么可能会影响此问题?可能是我设置modalPresentationStyle的时机吗?我已经尝试过使用UINavigationController和不使用UINavigationController，但是都得到了相同的结果.
我已经弄清楚了.事实证明，我使用的是UIModalPresentationPageSheet，它总是在纵向模式下全屏显示.因为我的模式UIViewController没有响应shouldAutorotateToInterfaceOrientation，所以它强制采用纵向方向，这就是为什么我认为模式弹出窗口不起作用的原因.
只需在我的模态UIViewController中添加一个shouldAutorotateToInterfaceOrientation处理函数，然后返回YES，我现在看到在横向模式下，我 am 会看到一个大弹出窗口，该弹出窗口覆盖了屏幕的大部分(但不是全部)，这就是我一直期望的.
I am trying to create a simple modal dialog on the iPad, in either the small (UIModalPresentationFormSheet) or the larger (UIModalPresentationPageSheet) settings, but they come out full screen (with a title bar) no matter what I do.
The modal UIViewController was created in interface builder where I can't seem to specify a size for it. Specifying a smaller size for the UIView contained within the UIViewController has no effect.
What am I doing wrong? What would possibly affect this issue? Could it be the timing in which I am setting modalPresentationStyle? I have tried both using a UINavigationController and without, but am getting the same result.
I've figured this out. Turns out I was using UIModalPresentationPageSheet, which always goes to full screen in portrait mode. Because my modal UIViewController wasn't responding to shouldAutorotateToInterfaceOrientation, it was forcing a portrait orientation, which is why I THOUGHT the modal popup wasn't working.
By simply adding a shouldAutorotateToInterfaceOrientation handler to my modal UIViewController, that returns YES, I now see that in landscape mode I am getting a large popup that covers most (but not all) of the screen, which is what I've been expecting.
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